Traffic Flow

The Anatomy of a Traffic Impact Study

Before a new development can be built, the local government will often require a traffic impact study (TIS) to be performed. But what exactly goes into a TIS? The purpose of a TIS – also called a traffic impact analysis (TIA) – is to assess the expected traffic impacts to the roadway network surrounding a…
Read More

Roadway Safety: Lessons Learned from the COVID-19 Pandemic – Part 1 of 2

For several months, the COVID-19 pandemic has upended everyday routines and greatly impacted our health and economy. Typically, as economic activity declines, travel decreases, and the risk of being involved in a road collision also decreases. However, recent data from the National Safety Council (NSC) shows otherwise – emptier but riskier roads. Preliminary estimates from…
Read More

I-65 Corridor in North Shelby County

As a resident of the south Birmingham Metro Area for over 20 years, I have driven the I-65 corridor nearly every weekday and have seen it evolve throughout that timespan. The fast growth of communities south of Birmingham has resulted in increased traffic volumes on I-65. With nearly 130,000 vehicles per day, I-65 south of…
Read More

Did You Know? What To Do When a Signal Is In Flash

Traffic signals are part of daily life for most U.S. citizens.  Traffic signals are commonly seen at roadway intersections and primarily function to assign the right-of-way to the various traffic movements.  A traffic signal uses three colors, directional arrows, and circular indications to convey certain messages to drivers.  When signals work as normal, most drivers…
Read More